SBL Roof Cement is an asbestos-free, trowel grade mastic for use in approved multi-ply membrane assemblies. It is composed of a proprietary formulation of elastomeric modified bitumen and solvents, creating an easy to apply cement with superior adhesion characteristics. SBL Roof Cement can be used in both wet and dry applications. Ideal for multi-ply SBS, APP and BUR roofing systems, SBL Roof Cement can also be used for repairs on shingle roof assemblies.